X0609 4 2026-05-05 0001886428 Slide Insurance Holdings, Inc. SLDE 0001313311 Gries Robert JR false C/O SLIDE INSURANCE HOLDINGS, INC. 4221 W. BOY SCOUT BLVD., SUITE 200 TAMPA FL 33607 true false false false true Common Stock 2026-05-05 4 S false 28212 18.55 D 1890205 I By GRM Family Limited Partnership Common Stock 2026-05-06 4 S false 28212 18.70 D 1861993 I By GRM Family Limited Partnership Common Stock 843804 D Sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.28 to $18.65 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. The securities reported herein are held by GRM Family Limited Partnership, which is an entity controlled by the reporting person. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.53 to $18.88 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. /s/ Robert Gries Jr. 2026-05-07